/* Homepage only: approved campus identity, restrained service rows, shared shape tokens. */
@font-face{font-family:"Calendar Smiley";src:url('assets/fonts/SmileySans-v2.0.1.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
:root{
 --font-display:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 --font-interface:var(--font-display);
 --font-title:"Calendar Smiley",var(--font-display);
 --ink:#18283a;--ink-2:#516174;--ink-3:#5f6f80;
 --brand:#2f6b9f;--brand-strong:#245782;--brand-soft:#eaf2f9;
 --surface:#f4f6f8;--surface-hover:#edf0f3;--line:#e6eaee;
 --blue:var(--brand);
 font-family:var(--font-interface);font-synthesis:none;color:var(--ink);background:#fff;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility
}
*{box-sizing:border-box}body{margin:0}[hidden]{display:none!important}
button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit;color:inherit}button{cursor:pointer}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}


/* ---------- Layout ---------- */
.workbench{max-width:640px;min-height:100svh;margin:0 auto;padding:0 24px;display:flex;flex-direction:column}
.workbench :is(a,button,input):focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.workbench button{min-height:44px;padding:0 16px;border:0;border-radius:var(--shape-control);background:var(--surface);color:var(--ink);transition:background-color 140ms ease-out,transform 140ms ease-out}
.workbench button:hover{background:var(--surface-hover)}
.workbench button:active{transform:scale(.97)}
.workbench button:disabled{opacity:.5;cursor:default;transform:none}

/* ---------- Header ---------- */
.hero{padding:max(20px,env(safe-area-inset-top)) 0 0}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px}
.brand{position:relative;width:190px;max-width:60%;aspect-ratio:1378/294;overflow:hidden}
/* 原 PNG 含校徽：通过视窗裁去校徽，仅显示校名；滤镜统一为品牌蓝，原文件不修改。 */
.brand img{position:absolute;width:145%;max-width:none;height:auto;left:-45%;top:-40.82%;filter:brightness(0) saturate(100%) invert(33%) sepia(55%) saturate(700%) hue-rotate(174deg) brightness(92%) contrast(92%)}
.workbench #search-toggle{display:grid;place-items:center;width:44px;padding:0;flex-shrink:0;color:var(--ink-2)}
.workbench #search-toggle[aria-expanded="true"]{background:var(--brand-soft);color:var(--brand)}
#search-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.hero-art{margin-top:16px;aspect-ratio:2.35/1;border-radius:var(--shape-panel);background:#dcebf6 url('assets/campus-simple.webp') 68% 72%/165% auto no-repeat}

/* ---------- Search panel ---------- */
.search-panel{margin-top:16px}
.search-row{display:flex;gap:8px}
.search-row input{flex:1;width:100%;min-width:0;min-height:48px;padding:0 16px;border:1px solid transparent;border-radius:var(--shape-control);background:var(--surface);color:var(--ink);font-family:var(--font-interface);font-size:16px;transition:background-color 140ms ease-out,border-color 140ms ease-out}
.search-row input::placeholder{color:var(--ink-3);opacity:1}
.search-row input:focus{background:#fff;border-color:var(--brand)}
.workbench .search-row input:focus-visible{outline:0}
.search-row button{flex-shrink:0;white-space:nowrap}
.search-panel .search-row button{background:transparent;color:var(--brand)}

/* ---------- Sections ---------- */
.tasks-section{padding-top:32px}
.entries{padding-top:36px}
.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}
.workbench h2{margin:0;font-family:var(--font-title);font-size:22px;font-weight:400;line-height:1.3;letter-spacing:.02em;color:var(--ink)}
.task-heading-actions{display:flex}
.workbench .task-heading-actions button{min-height:44px;padding:0 12px;font-size:14px;background:transparent;color:var(--brand)}
.workbench .task-heading-actions button:hover{background:var(--brand-soft)}

/* 学号查询：输入框与主按钮 */
.workbench .student-row button{width:92px;min-width:92px;background:var(--brand);color:#fff;font-family:var(--font-title);font-size:17px;letter-spacing:.08em}
.workbench .student-row button:hover{background:var(--brand-strong)}

/* 分段切换 */
.task-tabs{display:flex;gap:2px;margin:16px 0 4px;padding:3px;border-radius:var(--shape-control);background:var(--surface)}
.workbench .task-tabs button{flex:1;min-width:0;min-height:44px;padding:0 6px;border-radius:calc(var(--shape-control) - 3px);background:transparent;color:var(--ink-2);font-family:var(--font-title);font-size:16px}
.workbench .task-tabs button:hover{color:var(--ink)}
.workbench .task-tabs [aria-selected="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 2px #18283a14,0 1px 6px #18283a0d}
.workbench .task-tabs button:active{transform:none}

/* 记录列表：细分隔线代替卡片框 */
#tasks-panel{margin-top:8px}
.task-placeholder{margin:0;padding:28px 12px;text-align:center;font-size:14px;color:var(--ink-3)}
.task-record{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:12px;row-gap:4px;align-items:center;padding:14px 2px;border-bottom:1px solid var(--line)}
.task-record:last-child{border-bottom:0}
.task-record-head{display:contents}
.task-record-head strong{grid-column:1;font-family:var(--font-title);font-size:18px;font-weight:400;line-height:1.4;color:var(--ink);overflow-wrap:anywhere}
.task-status{grid-column:2;grid-row:1;justify-self:end;padding:3px 9px;border-radius:var(--shape-item);background:var(--surface);color:var(--ink-2);font-size:12px;line-height:1.5;white-space:nowrap}
.task-status[data-status="pending"]{background:#fdf3e2;color:#93600f}
.task-status[data-status="approved"]{background:var(--brand-soft);color:var(--brand)}
.task-status[data-status="rejected"]{background:#fbecea;color:#a23c33}
.task-record p{grid-column:1;margin:0;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.task-record a{grid-column:2;grid-row:2;justify-self:end;font-size:13px;color:var(--brand);text-decoration:none;white-space:nowrap}
.task-record a::after{content:" ›"}
.task-record a:hover{text-decoration:underline;text-underline-offset:3px}
#tasks-error{margin:12px 0 0;padding:12px 14px;font-size:13px;color:#a23c33;background:#fbecea;border-radius:var(--shape-control)}

/* ---------- 入口列表：活动月历 + 服务 ---------- */
.service-grid{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.calendar-link,.service-tile{display:flex;align-items:center;gap:16px;min-height:88px;padding:10px 16px 10px 10px;border-radius:var(--shape-panel);background:var(--surface);color:inherit;text-decoration:none;transition:background-color 140ms ease-out,transform 140ms ease-out}
.calendar-link:hover,.service-tile:hover{background:var(--surface-hover)}
.calendar-link:active,.service-tile:active{transform:scale(.985)}
.calendar-date,.service-icon{display:grid;place-items:center;flex-shrink:0;width:64px;height:64px;border-radius:var(--shape-control);background:#fff}
.calendar-date{align-content:center;gap:2px;color:var(--brand);text-align:center}
.calendar-date>span{font-size:12px;line-height:1;letter-spacing:.1em;color:var(--ink-2)}
.calendar-date strong{font-family:var(--font-title);font-size:30px;font-weight:400;line-height:1;font-variant-numeric:tabular-nums}
.service-icon{color:var(--brand)}
.service-icon svg{width:42px;height:36px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.service-icon .venue-facade{fill:var(--brand-soft)}
.service-icon .venue-tower{fill:#d3e4f2}
.calendar-copy,.service-copy{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}
.calendar-copy strong,.service-copy strong{font-family:var(--font-title);font-size:19px;font-weight:400;line-height:1.35;color:var(--ink)}
.calendar-copy>span,.service-copy>span{font-size:13px;line-height:1.5;color:var(--ink-2);overflow-wrap:anywhere}
.link-arrow{display:grid;place-items:center;flex-shrink:0;width:20px;color:var(--ink-3);transition:transform 140ms,color 140ms}
.link-arrow svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
:is(.calendar-link,.service-tile):hover .link-arrow{color:var(--brand);transform:translateX(2px)}
.empty{margin-top:10px;padding:24px 16px;text-align:center;font-size:14px;color:var(--ink-3);border-radius:var(--shape-panel);background:var(--surface)}

/* ---------- Footer ---------- */
.workbench footer{margin-top:auto;padding:48px 0 max(28px,env(safe-area-inset-bottom));text-align:center;font-size:12px;letter-spacing:.12em;color:var(--ink-3)}

@media(max-width:540px){
 .workbench{padding:0 20px}
 .brand{width:170px}
 .hero-art{margin-top:12px;aspect-ratio:1.9/1;background-size:210% auto;background-position:70% 74%}
 .tasks-section{padding-top:28px}
 .entries{padding-top:32px}
 .workbench h2{font-size:21px}
}
@media(max-width:350px){
 .workbench{padding:0 16px}
 .brand{width:150px}
 .calendar-link,.service-tile{gap:12px;padding:10px 12px 10px 10px;min-height:80px}
 .calendar-date,.service-icon{width:56px;height:56px}
 .calendar-date strong{font-size:26px}
 .calendar-copy strong,.service-copy strong{font-size:17px}
 .workbench .student-row button{width:80px;min-width:80px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}


/* Small details stay quiet and remain usable without hover or motion. */
::selection{background:var(--brand-soft);color:var(--ink)}
.workbench input{caret-color:var(--brand)}
.workbench{scrollbar-color:#9aa8b6 var(--surface)}
.hero-art{overflow:hidden}
.skip-link{position:fixed;z-index:10;left:16px;top:12px;transform:translateY(-150%);padding:10px 14px;border-radius:var(--shape-control);background:var(--brand);color:#fff;text-decoration:none}
.skip-link:focus{transform:translateY(0);outline:2px solid var(--brand);outline-offset:3px}
.workbench button[aria-busy="true"]{cursor:wait}
.task-record a{display:inline-flex;align-items:center;min-height:44px}
.task-record p{align-self:start}
.workbench :is(.calendar-link,.service-tile){touch-action:manipulation}
@media(hover:none){.workbench button:hover{background:var(--surface)}.workbench .student-row button:hover{background:var(--brand)}.calendar-link:hover,.service-tile:hover{background:var(--surface)}:is(.calendar-link,.service-tile):hover .link-arrow{transform:none;color:var(--ink-3)}}